From 00792b24e4d7cb70b7a7cc75480c0d08b2edc8ef Mon Sep 17 00:00:00 2001
From: Caleb Fontenot <foley2431@gmail.com>
Date: Mon, 14 Nov 2022 21:14:43 -0600
Subject: [PATCH] Work on MP4

---
 .../mp4_calebfontenot/MP4_CalebFontenot.java  | 40 +++++++++++--------
 1 file changed, 24 insertions(+), 16 deletions(-)

diff --git a/Assignments/MP4_CalebFontenot/src/mp4_calebfontenot/MP4_CalebFontenot.java b/Assignments/MP4_CalebFontenot/src/mp4_calebfontenot/MP4_CalebFontenot.java
index cbc0f9e..fbaa279 100644
--- a/Assignments/MP4_CalebFontenot/src/mp4_calebfontenot/MP4_CalebFontenot.java
+++ b/Assignments/MP4_CalebFontenot/src/mp4_calebfontenot/MP4_CalebFontenot.java
@@ -24,12 +24,11 @@ public class MP4_CalebFontenot {
         int sumResult = MP4_CalebFontenot.sum(MP4_CalebFontenot.doubleDigitsAndSumSingleDigits(CreditCard), MP4_CalebFontenot.addOddNumbersFromRightToLeft(CreditCard));
         int divisionResult = sumResult % 10;
         if (debug) {
-        System.out.println(sumResult + ", " + divisionResult);
+            System.out.println(sumResult + ", " + divisionResult);
         }
         if (divisionResult == 0) {
-        return true;
-        }
-        else {
+            return true;
+        } else {
             return false;
         }
     }
@@ -57,19 +56,22 @@ public class MP4_CalebFontenot {
         if (debug) {
             System.out.println("Now executing addOddNumbersFromRightToLeft()");
         }
-                // Iterate through string
+        // Iterate through string
         int creditCardLength = creditCard.length();
         int currentDigit, digitProduct, tensDigit, onesDigit, sum = 0;
         //System.out.println(creditCard.length());
 
-        for (int i = 0; i <= (creditCardLength -1); i = i + 2) {
+        for (int i = 0; i <= (creditCardLength - 1); i++) {
             currentDigit = Character.getNumericValue(creditCard.charAt(i)); // Parses current digit as an integer so we can do math on it
-            sum += currentDigit;
-            if (debug) {
-                System.out.println(currentDigit);
-                System.out.println("sum: " + sum);
+            if (currentDigit % 2 != 0) { // Is this number an odd number?
+                sum += currentDigit;
+                if (debug) {
+                    System.out.println(currentDigit);
+                    System.out.println("sum: " + sum);
+                }
             }
         }
+
         return sum;
     }
 
@@ -89,8 +91,12 @@ public class MP4_CalebFontenot {
         int currentDigit, digitProduct, tensDigit, onesDigit, sum = 0;
         //System.out.println(creditCard.length());
 
-        for (int i = (creditCardLength -1); i >= 0; i = i - 2) {
+        for (int i = 0; i <= (creditCardLength - 1); i++){
             currentDigit = Character.getNumericValue(creditCard.charAt(i)); // Parses current digit as an integer so we can do math on it
+            if (debug) {
+                System.out.println("current digit: " + currentDigit);
+            }
+            if (currentDigit % 2 == 0) { //Is this number an even number?
             digitProduct = currentDigit * 2;
             if (digitProduct > 9) { // Product is larger than 9. Typecast the integer back into a string so we can seperate the digits and add them together.
                 String workingString = Integer.toString(digitProduct);
@@ -103,9 +109,11 @@ public class MP4_CalebFontenot {
                 digitProduct = (tensDigit + onesDigit);
             }
             sum += digitProduct;
-            if (debug) {
-                System.out.println(digitProduct);
-            }
+            
+        }
+        if (debug) {
+            System.out.println("The sum is: " + sum);
+        }
         }
         return sum;
     }
@@ -136,9 +144,9 @@ public class MP4_CalebFontenot {
         } else {
             validityString = "invalid";
         }
-        
+
         System.out.println("The credit card " + sampleCreditCard + " is " + validityString);
-        
+
         /*
         String userInput = menu();